Olsen LRF65 - Page 17

17
240011511 REV. C [05/31/2017]
Dip Switch Adjustment Chart
For Input 0.55 USGPH TO 0.85 USGPH
SW1 - HEAT
POS.
SW2 - COOL
POS.
DIP Switch
Position
INPUT
DIP Switch
Position
AC Size
1 2 USGPH 1 2 (TON)
OFF OFF A 0.65
OFF OFF A 3.5
ON OFF B 0.85
ON OFF B 3.0
OFF ON C 0.75
OFF ON C 2.5
ON ON D 0.55
ON ON D 2.0
SW3 - ADJUST
POS.
SW4 - DELAY
POS.
DIP Switch
Position
CFM
DIP Switch
Position
INPUT
1 2
1 2 USGPH
OFF OFF A 0% OFF OFF A 0.65
ON OFF B (+)15% ON OFF B 0.85
OFF ON C (-)15% OFF ON C 0.75
ON ON D N/A ON ON D 0.55
Table A-10 Direct Drive Blower Motor Setup - 1/2 HP ECM Variable Speed Constant CFM Motor
NOTE:
SW1 (HEAT) AND SW4 (DELAY) DIP SWITCHES MUST BOTH BE ADJUSTED ACCORDING TO INPUT (FIRING RATE).
SW2 (COOL): 1 TON is approximately equal to 400 CFM
SW3 (ADJUST) Increase OR decrease CFM respectively
APPENDIX A - CHECK OUT AND ADJUSTMENTS
Table A-11 Direct Drive Blower Characteristics - 1/2 HP ECM Variable Speed Constant CFM Motor
Furnace Model Blower Motor HP Motor FLA ∆T
LRFV 65 – 100
100-10T DD 1/2 HP ECM 7.7 55-85 °F
OIL HEATING
SW1 HEAT
DIP SWITCH POSITION
INPUT
[USGPH]
CFM WITH SW3-ADJ
DIP SWITCH POSITION A
CFM WITH SW3-ADJ
DIP SWITCH POSITION B
CFM WITH SW3-ADJ
DIP SWITCH POSITION C
A (1=OFF, 2=OFF) 0.65 1016 1168 864
B (1=ON, 2=OFF)
0.85 1430 1600 1216
C (1=OFF, 2=ON)
0.75 1229 1413 1045
D (1=ON, 2=ON)
0.55 828 952 704
CONTINUOUS FAN
SW2 COOL
DIP SWITCH POSITION
AC SIZE
[TONS]
CFM WITH SW3-ADJ
DIP SWITCH POSITION A
CFM WITH SW3-ADJ
DIP SWITCH POSITION B
CFM WITH SW3-ADJ
DIP SWITCH POSITION C
A (1=OFF, 2=OFF) 3.5 700 805 595
B (1=ON, 2=OFF)
3.0 600 690 510
C (1=OFF, 2=ON)
2.5 500 575 425
D (1=ON, 2=ON)
2.0 400 460 340